/Engine/Plugins/Media/ElectraCDM/Source/ElectraCDM/Public/ElectraCDM.h
Returns if a secure decoder is required for the specified media type. This SHOULD be able to return the proper answer WITHOUT having acquired a license since this is may be used to select/deselect streams upfront.
[ESupportResult](API\Plugins\ElectraCDM\IMediaCDMCapabilities\ESupportResult) RequiresSecureDecoder ( const [FString](API\Runtime\Core\Containers\FString) & InMimeType )